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* * |
* * |
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* libgig - C++ cross-platform Gigasampler format file access library * |
* libgig - C++ cross-platform Gigasampler format file access library * |
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* * |
* * |
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* Copyright (C) 2003-2006 by Christian Schoenebeck * |
* Copyright (C) 2003-2013 by Christian Schoenebeck * |
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* <cuse@users.sourceforge.net> * |
* <cuse@users.sourceforge.net> * |
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* * |
* * |
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* This program is part of libgig. * |
* This program is part of libgig. * |
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#include <stdlib.h> |
#include <stdlib.h> |
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <sys/stat.h> |
#include <sys/stat.h> |
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#include <dirent.h> |
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#include <errno.h> |
#include <errno.h> |
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#include <dlfcn.h> |
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#include "gig.h" |
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#ifdef _MSC_VER |
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#define S_ISDIR(x) (S_IFDIR & (x)) |
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#define S_IWUSR S_IWRITE |
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#define S_IXUSR S_IEXEC |
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#endif |
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#if POSIX |
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# include <dlfcn.h> |
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#endif |
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// only libsndfile is available for Windows, so we use that for writing the sound files |
// only libsndfile is available for Windows, so we use that for writing the sound files |
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#ifdef WIN32 |
#ifdef WIN32 |
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# include <audiofile.h> |
# include <audiofile.h> |
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#endif // HAVE_SNDFILE |
#endif // HAVE_SNDFILE |
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#include "gig.h" |
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using namespace std; |
using namespace std; |
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typedef map<unsigned int, bool> OrderMap; |
typedef map<unsigned int, bool> OrderMap; |
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void PrintVersion(); |
void PrintVersion(); |
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void PrintUsage(); |
void PrintUsage(); |
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void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered); |
void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered); |
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int writeWav(const char* filename, void* samples, long samplecount, int channels, int bitdepth, long rate); |
int writeWav(gig::Sample* sample, const char* filename, void* samples, long samplecount, int channels, int bitdepth, long rate); |
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string ToString(int i); |
string ToString(int i); |
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#if !HAVE_SNDFILE // use libaudiofile |
#if !HAVE_SNDFILE // use libaudiofile |
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return EXIT_FAILURE; |
return EXIT_FAILURE; |
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} |
} |
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fclose(hFile); |
fclose(hFile); |
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DIR* dir = opendir(argv[2]); |
struct stat buf; |
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if (!dir) { |
if (stat(argv[2], &buf) == -1) { |
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cout << "Unable to open DESTDIR: "; |
cout << "Unable to open DESTDIR: "; |
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switch (errno) { |
switch (errno) { |
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case EACCES: cout << "Permission denied." << endl; |
case EACCES: cout << "Permission denied." << endl; |
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break; |
break; |
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case EMFILE: cout << "Too many file descriptors in use by process." << endl; |
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break; |
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case ENFILE: cout << "Too many files are currently open in the system." << endl; |
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break; |
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case ENOENT: cout << "Directory does not exist, or name is an empty string." << endl; |
case ENOENT: cout << "Directory does not exist, or name is an empty string." << endl; |
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break; |
break; |
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case ENOMEM: cout << "Insufficient memory to complete the operation." << endl; |
case ENOMEM: cout << "Insufficient memory to complete the operation." << endl; |
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default: cout << "Unknown error" << endl; |
default: cout << "Unknown error" << endl; |
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} |
} |
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return EXIT_FAILURE; |
return EXIT_FAILURE; |
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} else if (!S_ISDIR(buf.st_mode)) { |
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cout << "Unable to open DESTDIR: Is not a directory." << endl; |
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return EXIT_FAILURE; |
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} else if (!(S_IWUSR & buf.st_mode) || !(S_IXUSR & buf.st_mode)) { |
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cout << "Unable to open DESTDIR: Permission denied." << endl; |
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return EXIT_FAILURE; |
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} |
} |
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if (dir) closedir(dir); |
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try { |
try { |
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RIFF::File* riff = new RIFF::File(argv[1]); |
RIFF::File* riff = new RIFF::File(argv[1]); |
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gig::File* gig = new gig::File(riff); |
gig::File* gig = new gig::File(riff); |
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return EXIT_SUCCESS; |
return EXIT_SUCCESS; |
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} |
} |
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static std::string getLoopTypeText(gig::loop_type_t type) { |
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switch (type) { |
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case gig::loop_type_normal: |
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return "normal"; |
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case gig::loop_type_bidirectional: |
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return "pingpong"; |
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case gig::loop_type_backward: |
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return "backward"; |
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default: |
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return "INVALID"; |
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} |
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} |
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void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered) { |
void ExtractSamples(gig::File* gig, char* destdir, OrderMap* ordered) { |
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#if !HAVE_SNDFILE // use libaudiofile |
#if !HAVE_SNDFILE // use libaudiofile |
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hAFlib = NULL; |
hAFlib = NULL; |
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int samples = 0; |
int samples = 0; |
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gig::buffer_t decompressionBuffer; |
gig::buffer_t decompressionBuffer; |
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decompressionBuffer.Size = 0; |
decompressionBuffer.Size = 0; |
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unsigned long decompressionBufferSize = 0; |
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cout << "Seeking for available samples..." << flush; |
cout << "Seeking for available samples..." << flush; |
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gig::Sample* pSample = gig->GetFirstSample(); |
gig::Sample* pSample = gig->GetFirstSample(); |
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cout << "OK" << endl << flush; |
cout << "OK" << endl << flush; |
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filename += ".wav"; |
filename += ".wav"; |
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if (pSample->Compressed) cout << "Decompressing "; |
if (pSample->Compressed) cout << "Decompressing "; |
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else cout << "Extracting "; |
else cout << "Extracting "; |
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cout << "Sample " << samples << ") " << name << " (" << pSample->BitDepth <<"Bits, " << pSample->SamplesPerSecond << "Hz, " << pSample->Channels << " Channels, " << pSample->SamplesTotal << " Samples)..." << flush; |
cout << "Sample " << samples << ") " << name << " (" << pSample->BitDepth <<"Bits, " << pSample->SamplesPerSecond << "Hz, " << pSample->Channels << " Channels, " << pSample->SamplesTotal << " Samples"; |
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if (pSample->Loops > 0) { |
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cout << ", LoopType " << getLoopTypeText(pSample->LoopType) |
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<< ", LoopStart " << pSample->LoopStart |
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<< ", LoopEnd " << pSample->LoopEnd; |
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} |
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cout << ")..." << flush; |
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#if USE_DISK_STREAMING |
#if USE_DISK_STREAMING |
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} |
} |
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} |
} |
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int res = writeWav(filename.c_str(), |
int res = writeWav(pSample, |
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filename.c_str(), |
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pSample->BitDepth == 24 ? static_cast<void*>(pIntWave) : pWave, |
pSample->BitDepth == 24 ? static_cast<void*>(pIntWave) : pWave, |
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pSample->SamplesTotal, |
pSample->SamplesTotal, |
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pSample->Channels, |
pSample->Channels, |
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#endif // !HAVE_SNDFILE |
#endif // !HAVE_SNDFILE |
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} |
} |
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int writeWav(const char* filename, void* samples, long samplecount, int channels, int bitdepth, long rate) { |
int writeWav(gig::Sample* sample, const char* filename, void* samples, long samplecount, int channels, int bitdepth, long rate) { |
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#if HAVE_SNDFILE |
#if HAVE_SNDFILE |
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SNDFILE* hfile; |
SNDFILE* hfile; |
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SF_INFO sfinfo; |
SF_INFO sfinfo; |
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SF_INSTRUMENT instr; |
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int format = SF_FORMAT_WAV; |
int format = SF_FORMAT_WAV; |
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switch (bitdepth) { |
switch (bitdepth) { |
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case 8: |
case 8: |
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return -1; |
return -1; |
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} |
} |
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memset(&sfinfo, 0, sizeof (sfinfo)); |
memset(&sfinfo, 0, sizeof (sfinfo)); |
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memset(&instr, 0, sizeof (instr)); |
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sfinfo.samplerate = rate; |
sfinfo.samplerate = rate; |
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sfinfo.frames = samplecount; |
sfinfo.frames = samplecount; |
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sfinfo.channels = channels; |
sfinfo.channels = channels; |
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cerr << "Error: Unable to open output file \'" << filename << "\'.\n" << flush; |
cerr << "Error: Unable to open output file \'" << filename << "\'.\n" << flush; |
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return -1; |
return -1; |
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} |
} |
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instr.basenote = sample->MIDIUnityNote; |
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instr.detune = sample->FineTune; |
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if (sample->Loops > 0) { |
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instr.loop_count = 1; |
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switch (sample->LoopType) { |
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case gig::loop_type_normal: |
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instr.loops[0].mode = SF_LOOP_FORWARD; |
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break; |
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case gig::loop_type_bidirectional: |
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instr.loops[0].mode = SF_LOOP_ALTERNATING; |
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break; |
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case gig::loop_type_backward: |
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instr.loops[0].mode = SF_LOOP_BACKWARD; |
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break; |
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default: |
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instr.loops[0].mode = SF_LOOP_NONE; |
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break; |
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} |
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instr.loops[0].start = sample->LoopStart; |
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instr.loops[0].end = sample->LoopEnd; |
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instr.loops[0].count = sample->LoopPlayCount; |
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} |
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sf_command(hfile, SFC_SET_INSTRUMENT, &instr, sizeof(instr)); |
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sf_count_t res = bitdepth == 24 ? |
sf_count_t res = bitdepth == 24 ? |
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sf_write_int(hfile, static_cast<int*>(samples), channels * samplecount) : |
sf_write_int(hfile, static_cast<int*>(samples), channels * samplecount) : |
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sf_write_short(hfile, static_cast<short*>(samples), channels * samplecount); |
sf_write_short(hfile, static_cast<short*>(samples), channels * samplecount); |
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#endif // !HAVE_SNDFILE |
#endif // !HAVE_SNDFILE |
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string Revision() { |
string Revision() { |
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string s = "$Revision: 1.9 $"; |
string s = "$Revision: 1.12 $"; |
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return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
return s.substr(11, s.size() - 13); // cut dollar signs, spaces and CVS macro keyword |
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} |
} |
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